Oregon mall shooting

The gunman who killed two people and himself in a shooting rampage at an Oregon mall was 22 years old and used a stolen rifle from someone he knew, authorities said Dec. 12. Jacob Tyler Roberts had armed

himself with an AR-15 semiautomatic rifle and had several fully loaded

magazines when he arrived at a Portland mall on Dec. 11, said Clackamas

County Sheriff Craig Roberts.

This photo provided by the Clackamas County Sheriff's Department shows Jacob Tyler Roberts, the suspect in a shooting at an Oregon Mall on Tuesday Dec. 11, 2012. Roberts, who killed two people and himself in the shooting rampage, was 22 years old and used a stolen rifle from someone he knew, authorities said Wednesday. Roberts had armed himself with an AR-15 semiautomatic rifle and had several fully loaded magazines when he arrived at a Portland mall on Tuesday, said Clackamas County Sheriff Craig Roberts. (AP Photo/Clackamas County Sheriff's Department)

Leslie King, right and Tenille Beseda place flowers Wednesday Dec. 12, 2012, at the entrance to the scene of a multiple shooting yesterday at Clackamas Town Center Mall in Portland, Ore. A gunman who opened fire on shoppers at the mall had no connection to the two people he fatally shot and wanted to kill as many people as possible, police said Wednesday. (AP Photo/Greg Wahl-Stephens)

Leslie King, right and Tenille Beseda place flowers Wednesday Dec. 12, 2012, at the entrance to the scene of a multiple shooting yesterday at Clackamas Town Center Mall in Portland, Ore. A gunman who opened fire on shoppers at the mall had no connection to the two people he fatally shot and wanted to kill as many people as possible, police said Wednesday. (AP Photo/Greg Wahl-Stephens)

Photos of shooting victims, Cindy Yuille, left, and Steven Forsyth, center, are posted on a police mall diagram along with a photo of gunman Jacob Taylor Roberts, at a press conference Wednesday Dec. 12, 2012 about the multiple shooting on Tuesday at Clackamas Town Center Mall in Portland, Ore. (AP Photo/Greg Wahl-Stephens)

Oregon Mall

A police officer and firefighter speak to a woman outside the Clackamas Town Center after a shooting on December 11, 2012 in Clackamas, Oregon. According to reports, two victims and the gunman are dead after emergency dispatchers received reports that a shooting had occurred and a man was seen with an assault rifle near the mall's food court around 3:29 p.m. (Photo by Craig Mitchelldyer/Getty Images)

Oregon Mall

Emergency vehicles gather outside the Clackamas Town Center mall after a shooting on December 11, 2012 in Clackamas, Oregon. According to reports, two victims and the gunman are dead after emergency dispatchers received reports that a shooting had occurred and a man was seen with an assault rifle near the mall's food court around 3:29 p.m. (Photo by Craig Mitchelldyer/Getty Images)

Media gather around Clackamas County sheriff's Lt. James Rhodes during a news conference at the scene of a multiple shooting at Clackamas Town Center Mall in Clackamas, Ore., Tuesday Dec. 11, 2012. A gunman is dead after opening fire in the Portland, Ore., area shopping mall Tuesday, killing two people and wounding another, sheriff's deputies said. (AP Photo/Greg Wahl-Stephens)

People look on outside Clackamas Town Center in Clackamas, Ore., where a shooting occured Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

People look on outside Clackamas Town Center in Clackamas, Ore., where a shooting occured Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

Clackamas County sheriff's Lt. James Rhodes speaks to the media outside the scene of a multiple shooting at Clackamas Town Center Mall in Clackamas, Ore., Tuesday Dec. 11, 2012. A gunman is dead after opening fire in the Portland, Ore., area shopping mall Tuesday, killing two people and wounding another, sheriff's deputies said. (AP Photo/Greg Wahl-Stephens)

Police and medics outside the scene of a multiple shooting at Clackamas Town Center Mall in Clackamas, Ore., Tuesday Dec. 11, 2012. A gunman is dead after opening fire in the Portland, Ore., area shopping mall Tuesday, killing two people and wounding another, sheriff's deputies said. (AP Photo/Greg Wahl-Stephens)

A paramedic talks on the phone outside Clackamas Town Center in Clackamas, Ore., where a shooting occurred Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

A paramedic talks on the phone outside Clackamas Town Center in Clackamas, Ore., where a shooting occurred Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

Onlookers observe the scene outside Clackamas Town Center in Clackamas, Ore., where a shooting occurred Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

Onlookers observe the scene outside Clackamas Town Center in Clackamas, Ore., where a shooting occurred Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

Law enforcement personnel work the scene of a shooting at the Clackamas Town Center in Clackamas, Ore. Tuesday, Dec. 11, 2012. A gunman opened fire at the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

Law enforcement personnel work the scene of a shooting at the Clackamas Town Center in Clackamas, Ore. Tuesday, Dec. 11, 2012. A gunman opened fire at the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

A family leaves the scene of a multiple shooting at Clackamas Town Center Mall in Clackamas, Ore., Tuesday Dec. 11, 2012. A gunman is dead after opening fire in the Portland, Ore., area shopping mall Tuesday, killing two people and wounding another, sheriff's deputies said. (AP Photo/Greg Wahl-Stephens)